ISO Factory White Powder Suspension Grade PVC Resin SG5 K 65-67 for Pipe
Property: Polyvinyl chloride is high molecular compounds polymerized by vinyl chloride monomer (VCM) with structural element as [CH2-CHCL]n, degree of polymerization usually as 590-1500.According to residual content of vinyl chloride menomerl in polyvinyl chloride resin , is can be divided into:commercial grade, food hygiene grade and medical application grade.In appearance, polyvinyl chloride resin is white powder. Use: This company has SG3-SG8 type polyvinyl chloride products, and polyvinyl chloride resin is widely used in processing and production of polyvinyl chloride boardy products, soft products, paint and adhesive agents. Division according to application: 1.Building materials:such as tubing, panel and section bars. 2.Paking materials. 3.Electronic materials:such as electric wires, cables, adhesive tapes and bolts. 4.Furniture and decorating materials and so on. 5.Others:such as automotive materials and medical appliances. Package, transported and storage: Package:packed with woven bag with a net weight of 25Kgs(±0.20Kg). Transportation:transported with motor vehicle, train or ship. Storage:stored in a normal temperature and dry warehouse. Quality standard The product meets GB/T 5761-2006 standard with its physical and chemical properties meeting requirement in table below: 1.The user can choose any one from vifscosity number, K value , index of average polymerizapion degree. 2.The user can confer with the manufacture if they have other index , requirement , on thermal stability. Specification: | Items | SG1 | SG2 | SG3 | SG4 | SG5 | SG6 | SG7 | SG8 |
| K-Value | 77-75 | 74-73 | 72-71 | 70-69 | 68-66 | 65-63 | 62-60 | 59-55 |
| Viscosity, ml/g | 156-144 | 143-136 | 135-127 | 126-119 | 118-107 | 106-96 | 95-87 | 86-73 |
| Number of impurity particle | ‰¤ 30 | ‰¤30 | ‰¤30 | ‰¤30 | ‰¤30 | ‰¤30 | ‰¤40 | ‰¤40 |
| Volatiles content%, ‰¤ | ‰¤0.40 | ‰¤0.40 | ‰¤0.40 | ‰¤0.40 | ‰¤0.40 | ‰¤0.40 | ‰¤0.40 | ‰¤0.40 |
| Apparent density | ‰¥ 0.42 g/ml | ‰¥ 0.45g/ml |
| Number of grain/400cm 2 | ‰¤40 | ‰¤40 | ‰¤40 | ‰¤40 | ‰¤40 | ‰¤40 | ‰¤40 | ‰¤40 |
| Whiteness | ‰¥74% | ‰¥74% | ‰¥74% | ‰¥74% | ‰¥74% | ‰¥74% | ‰¥70% | ‰¥70% |
| Plasticizer absorbency value of 100g resin | 25 | 25 | 25 | 22 | 19 | 16 | 14 | 14 |
Residual chlore
thylene content | ‰¤5 mg/kg |
